Finding the Third Proportional to 578,950.50 and 827,145

Step by Step Solution

1. Step 1: Write the proportion equation
   578,950.50 : 827,145 = 827,145 : x
2. Step 2: Convert to fraction form
   578,950.50/827,145 = 827,145/x
3. Step 3: Cross multiply
   578,950.50x = 827,145 × 827,145
4. Step 4: Simplify right side
   578,950.50x = 684,168,851,025
5. Step 5: Solve for x
   x = 684,168,851,025/578,950.50
6. Step 6: Final answer
   x = 1,181,739.81